[41] | 1 | ; File name : MenuTime.asm |
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| 2 | ; Project name : Assembly Library |
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| 3 | ; Created date : 25.7.2010 |
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| 4 | ; Last update : 13.8.2010 |
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| 5 | ; Author : Tomi Tilli |
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| 6 | ; Description : Menu timeouts other time related functions. |
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| 7 | |
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| 8 | ; Section containing code |
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| 9 | SECTION .text |
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| 10 | |
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| 11 | ;-------------------------------------------------------------------- |
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| 12 | ; MenuTime_SetSelectionTimeoutValueFromAX |
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| 13 | ; Parameters |
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| 14 | ; AX: Selection timeout in system timer ticks |
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| 15 | ; SS:BP: Ptr to MENU |
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| 16 | ; Returns: |
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| 17 | ; Nothing |
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| 18 | ; Corrupts registers: |
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| 19 | ; Nothing |
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| 20 | ;-------------------------------------------------------------------- |
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| 21 | ALIGN JUMP_ALIGN |
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| 22 | MenuTime_SetSelectionTimeoutValueFromAX: |
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| 23 | mov [bp+MENUINIT.wTimeoutTicks], ax |
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| 24 | ret |
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| 25 | |
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| 26 | |
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| 27 | ;-------------------------------------------------------------------- |
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| 28 | ; MenuTime_RestartSelectionTimeout |
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| 29 | ; Parameters |
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| 30 | ; SS:BP: Ptr to MENU |
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| 31 | ; Returns: |
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| 32 | ; Nothing |
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| 33 | ; Corrupts registers: |
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| 34 | ; AX, BX |
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| 35 | ;-------------------------------------------------------------------- |
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| 36 | ALIGN JUMP_ALIGN |
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| 37 | MenuTime_RestartSelectionTimeout: |
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| 38 | push ds |
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| 39 | call PointDSBXtoTimeoutCounter |
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| 40 | mov ax, [bp+MENUINIT.wTimeoutTicks] |
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| 41 | call TimerTicks_InitializeTimeoutFromAX ; End time to [DS:BX] |
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| 42 | pop ds |
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| 43 | ret |
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| 44 | |
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| 45 | |
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| 46 | ;-------------------------------------------------------------------- |
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| 47 | ; MenuTime_UpdateSelectionTimeout |
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| 48 | ; Parameters |
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| 49 | ; SS:BP: Ptr to MENU |
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| 50 | ; Returns: |
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| 51 | ; CF: Set if timeout |
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| 52 | ; Cleared if time left |
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| 53 | ; Corrupts registers: |
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| 54 | ; AX, BX, CX, DX, SI, DI |
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| 55 | ;-------------------------------------------------------------------- |
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| 56 | ALIGN JUMP_ALIGN |
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| 57 | MenuTime_UpdateSelectionTimeout: |
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| 58 | cmp WORD [bp+MENUINIT.wTimeoutTicks], BYTE 0 |
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| 59 | je SHORT .ReturnSinceTimeoutDisabled ; CF cleared |
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| 60 | push ds |
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| 61 | |
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| 62 | call GetSecondsUntilTimeoutToAXandPtrToTimeoutCounterToDSBX |
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| 63 | cmp al, [bp+MENU.bLastSecondPrinted] |
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| 64 | je SHORT .SetCFifTimeoutAndReturn |
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| 65 | mov [bp+MENU.bLastSecondPrinted], al |
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| 66 | call DrawTimeoutInAXoverMenuBorders |
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| 67 | |
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| 68 | ALIGN JUMP_ALIGN |
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| 69 | .SetCFifTimeoutAndReturn: |
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| 70 | call TimerTicks_SetCarryIfTimeoutFromDSBX |
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| 71 | pop ds |
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| 72 | .ReturnSinceTimeoutDisabled: |
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| 73 | ret |
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| 74 | |
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| 75 | |
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| 76 | ;-------------------------------------------------------------------- |
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| 77 | ; MenuTime_DrawWithoutUpdating |
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| 78 | ; Parameters |
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| 79 | ; SS:BP: Ptr to MENU |
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| 80 | ; Returns: |
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| 81 | ; Nothing |
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| 82 | ; Corrupts registers: |
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| 83 | ; AX, BX, CX, DX, SI, DI |
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| 84 | ;-------------------------------------------------------------------- |
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| 85 | ALIGN JUMP_ALIGN |
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| 86 | MenuTime_DrawWithoutUpdating: |
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| 87 | cmp WORD [bp+MENUINIT.wTimeoutTicks], BYTE 0 |
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| 88 | je SHORT .ReturnSinceTimeoutDisabled |
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| 89 | |
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| 90 | push ds |
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| 91 | call GetSecondsUntilTimeoutToAXandPtrToTimeoutCounterToDSBX |
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| 92 | call DrawTimeoutInAXoverMenuBorders |
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| 93 | pop ds |
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| 94 | .ReturnSinceTimeoutDisabled: |
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| 95 | ret |
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| 96 | |
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| 97 | |
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| 98 | ;-------------------------------------------------------------------- |
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| 99 | ; PointDSBXtoTimeoutCounter |
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| 100 | ; Parameters |
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| 101 | ; SS:BP: Ptr to MENU |
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| 102 | ; Returns: |
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| 103 | ; DS:BX: Ptr to timeout counter |
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| 104 | ; Corrupts registers: |
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| 105 | ; Nothing |
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| 106 | ;-------------------------------------------------------------------- |
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| 107 | ALIGN JUMP_ALIGN |
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| 108 | PointDSBXtoTimeoutCounter: |
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| 109 | push ss |
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| 110 | pop ds |
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| 111 | lea bx, [bp+MENU.wTimeoutCounter] |
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| 112 | ret |
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| 113 | |
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| 114 | |
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| 115 | ;-------------------------------------------------------------------- |
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| 116 | ; GetSecondsUntilTimeoutToAXandPtrToTimeoutCounterToDSBX |
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| 117 | ; Parameters |
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| 118 | ; SS:BP: Ptr to MENU |
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| 119 | ; Returns: |
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| 120 | ; AX: Seconds until timeout |
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| 121 | ; DS:BX: Ptr to timeout counter |
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| 122 | ; Corrupts registers: |
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| 123 | ; AX, CX, DX |
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| 124 | ;-------------------------------------------------------------------- |
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| 125 | ALIGN JUMP_ALIGN |
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| 126 | GetSecondsUntilTimeoutToAXandPtrToTimeoutCounterToDSBX: |
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| 127 | call PointDSBXtoTimeoutCounter |
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| 128 | call TimerTicks_GetElapsedToAXfromDSBX |
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| 129 | neg ax ; Negate since DS:BX points to end time |
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| 130 | MAX_S ax, 0 ; Set to zero if overflow |
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| 131 | xchg dx, ax |
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| 132 | jmp TimerTicks_GetSecondsToAXfromTicksInDX |
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| 133 | |
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| 134 | |
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| 135 | ;-------------------------------------------------------------------- |
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| 136 | ; DrawTimeoutInAXoverMenuBorders |
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| 137 | ; Parameters |
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| 138 | ; AX: Seconds to draw |
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| 139 | ; SS:BP: Ptr to MENU |
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| 140 | ; Returns: |
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| 141 | ; Nothing |
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| 142 | ; Corrupts registers: |
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| 143 | ; AX, DX, SI, DI |
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| 144 | ;-------------------------------------------------------------------- |
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| 145 | ALIGN JUMP_ALIGN |
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| 146 | DrawTimeoutInAXoverMenuBorders: |
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| 147 | xchg dx, ax |
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| 148 | call MenuBorders_AdjustDisplayContextForDrawingBorders |
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| 149 | call MenuLocation_GetBottomBordersTopLeftCoordinatesToAX |
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| 150 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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| 151 | ; Fall to .PrintTimeoutStringWithSecondsInDX |
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| 152 | |
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| 153 | ;-------------------------------------------------------------------- |
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| 154 | ; .PrintTimeoutStringWithSecondsInDX |
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| 155 | ; Parameters |
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| 156 | ; DX: Seconds to print |
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| 157 | ; SS:BP: Ptr to MENU |
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| 158 | ; Returns: |
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| 159 | ; Nothing |
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| 160 | ; Corrupts registers: |
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| 161 | ; AX, DX, SI, DI |
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| 162 | ;-------------------------------------------------------------------- |
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| 163 | ;ALIGN JUMP_ALIGN |
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| 164 | .PrintTimeoutStringWithSecondsInDX: |
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| 165 | push bp |
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| 166 | |
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| 167 | mov bp, sp |
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| 168 | call .GetTimeoutAttributeToAXfromSecondsInDX |
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| 169 | mov si, .szSelectionTimeout |
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| 170 | push ax ; Push attribute |
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| 171 | push dx ; Push seconds |
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| 172 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI |
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| 173 | pop bp |
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| 174 | |
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| 175 | mov al, DOUBLE_RIGHT_HORIZONTAL_TO_SINGLE_VERTICAL |
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| 176 | jmp MenuBorders_PrintSingleBorderCharacterFromAL |
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| 177 | .szSelectionTimeout: |
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| 178 | db DOUBLE_BOTTOM_LEFT_CORNER |
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| 179 | db DOUBLE_LEFT_HORIZONTAL_TO_SINGLE_VERTICAL |
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| 180 | db "%AAutoselection in %2ds",NULL |
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| 181 | |
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| 182 | ;-------------------------------------------------------------------- |
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| 183 | ; .GetTimeoutAttributeToAXfromSecondsInDX |
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| 184 | ; Parameters |
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| 185 | ; DX: Seconds to print |
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| 186 | ; Returns: |
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| 187 | ; AX: Attribute byte for seconds |
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| 188 | ; DX: Seconds to print |
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| 189 | ; Corrupts registers: |
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| 190 | ; SI, DI |
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| 191 | ;-------------------------------------------------------------------- |
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| 192 | ALIGN JUMP_ALIGN |
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| 193 | .GetTimeoutAttributeToAXfromSecondsInDX: |
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| 194 | mov si, ATTRIBUTE_CHARS.cNormalTimeout |
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| 195 | cmp dx, BYTE 3 |
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| 196 | ja SHORT .GetAttributeToAX |
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| 197 | add si, BYTE ATTRIBUTE_CHARS.cHurryTimeout - ATTRIBUTE_CHARS.cNormalTimeout |
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| 198 | ALIGN JUMP_ALIGN |
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| 199 | .GetAttributeToAX: |
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| 200 | jmp MenuAttribute_GetToAXfromTypeInSI |
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